网状原角藻与微塑料对典型浮游动物的联合毒性效应

王鹏, 梁叶. 网状原角藻与微塑料对典型浮游动物的联合毒性效应[J]. 生态毒理学报, 2024, 19(5): 368-382. doi: 10.7524/AJE.1673-5897.20240301002
引用本文: 王鹏, 梁叶. 网状原角藻与微塑料对典型浮游动物的联合毒性效应[J]. 生态毒理学报, 2024, 19(5): 368-382. doi: 10.7524/AJE.1673-5897.20240301002
Wang Peng, Liang Ye. Combined Toxic Effects of Protoceratium reticulatum and Microplastics on Typical Zooplankton[J]. Asian journal of ecotoxicology, 2024, 19(5): 368-382. doi: 10.7524/AJE.1673-5897.20240301002
Citation: Wang Peng, Liang Ye. Combined Toxic Effects of Protoceratium reticulatum and Microplastics on Typical Zooplankton[J]. Asian journal of ecotoxicology, 2024, 19(5): 368-382. doi: 10.7524/AJE.1673-5897.20240301002

网状原角藻与微塑料对典型浮游动物的联合毒性效应

    作者简介: 王鹏(2003-),男,本科生,研究方向为生态毒理学,E-mail:13986541039@163.com
    通讯作者: 梁叶,E-mail:liangye@nuist.edu.cn
  • 基金项目:

    国家自然科学基金青年科学基金项目(42206217);国家级大学生创新创业训练计划支持项目(202410300093Z)

  • 中图分类号: X171.5

Combined Toxic Effects of Protoceratium reticulatum and Microplastics on Typical Zooplankton

    Corresponding author: Liang Ye, liangye@nuist.edu.cn
  • Fund Project:
  • 摘要: 本研究旨在探究网状原角藻(Protoceratium reticulatum)联合聚苯乙烯微塑料(polystyrene microplastics, PS-MPs),对2种典型浮游动物褶皱臂尾轮虫(Brachionus plicatilis)和日本虎斑猛水蚤(Tigriopus japonicus)生活史特征及生命表参数的联合毒害效应。本实验将网状原角藻与微塑料的联合毒性分别与微塑料单独毒性和网状原角藻单独毒性进行比较,用生活史特征和生命表参数对联合毒性效应进行量化。结果表明,网状原角藻联合PS-MPs对2种浮游动物均产生显著负面影响,2种毒物之间的耦合作用为协同。最高浓度(1×105 cells·mL-1)网状原角藻与PS-MPs联合毒性实验组中,日本虎斑猛水蚤种群存活率和繁殖率较同浓度海水小球藻对照组一周均值下降60%~63%和62%~64%,寿命缩短26%~50%,产卵量下降18%,桡足22%的个体运动强度显著下降;生命表参数中,周限增长率(λ)降低10%,世代时间(T)延长10 h,内禀增长率(rm)变化不显著,净生殖率(R0)下降35%。褶皱臂尾轮虫受抑制程度比日本虎斑猛水蚤强,轮虫种群存活率和繁殖率一周均值下降57%~60%和80%~82%,寿命缩短32%~58%,产卵量下降31%,轮虫40%的个体运动强度显著下降;生命表参数中,λ降低16%,T延长8.3 h,rm变化不显著,R0下降50%。本研究结果可为评估网状原角藻赤潮和微塑料污染对海洋生态系统的危害效应提供参考依据。
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  • 收稿日期:  2024-03-01
王鹏, 梁叶. 网状原角藻与微塑料对典型浮游动物的联合毒性效应[J]. 生态毒理学报, 2024, 19(5): 368-382. doi: 10.7524/AJE.1673-5897.20240301002
引用本文: 王鹏, 梁叶. 网状原角藻与微塑料对典型浮游动物的联合毒性效应[J]. 生态毒理学报, 2024, 19(5): 368-382. doi: 10.7524/AJE.1673-5897.20240301002
Wang Peng, Liang Ye. Combined Toxic Effects of Protoceratium reticulatum and Microplastics on Typical Zooplankton[J]. Asian journal of ecotoxicology, 2024, 19(5): 368-382. doi: 10.7524/AJE.1673-5897.20240301002
Citation: Wang Peng, Liang Ye. Combined Toxic Effects of Protoceratium reticulatum and Microplastics on Typical Zooplankton[J]. Asian journal of ecotoxicology, 2024, 19(5): 368-382. doi: 10.7524/AJE.1673-5897.20240301002

网状原角藻与微塑料对典型浮游动物的联合毒性效应

    通讯作者: 梁叶,E-mail:liangye@nuist.edu.cn
    作者简介: 王鹏(2003-),男,本科生,研究方向为生态毒理学,E-mail:13986541039@163.com
  • 南京信息工程大学海洋科学学院, 南京 210044
基金项目:

国家自然科学基金青年科学基金项目(42206217);国家级大学生创新创业训练计划支持项目(202410300093Z)

摘要: 本研究旨在探究网状原角藻(Protoceratium reticulatum)联合聚苯乙烯微塑料(polystyrene microplastics, PS-MPs),对2种典型浮游动物褶皱臂尾轮虫(Brachionus plicatilis)和日本虎斑猛水蚤(Tigriopus japonicus)生活史特征及生命表参数的联合毒害效应。本实验将网状原角藻与微塑料的联合毒性分别与微塑料单独毒性和网状原角藻单独毒性进行比较,用生活史特征和生命表参数对联合毒性效应进行量化。结果表明,网状原角藻联合PS-MPs对2种浮游动物均产生显著负面影响,2种毒物之间的耦合作用为协同。最高浓度(1×105 cells·mL-1)网状原角藻与PS-MPs联合毒性实验组中,日本虎斑猛水蚤种群存活率和繁殖率较同浓度海水小球藻对照组一周均值下降60%~63%和62%~64%,寿命缩短26%~50%,产卵量下降18%,桡足22%的个体运动强度显著下降;生命表参数中,周限增长率(λ)降低10%,世代时间(T)延长10 h,内禀增长率(rm)变化不显著,净生殖率(R0)下降35%。褶皱臂尾轮虫受抑制程度比日本虎斑猛水蚤强,轮虫种群存活率和繁殖率一周均值下降57%~60%和80%~82%,寿命缩短32%~58%,产卵量下降31%,轮虫40%的个体运动强度显著下降;生命表参数中,λ降低16%,T延长8.3 h,rm变化不显著,R0下降50%。本研究结果可为评估网状原角藻赤潮和微塑料污染对海洋生态系统的危害效应提供参考依据。

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